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Four-dimensional (4D) Electron Microscopy Captures Nano Word

Caltech has developed a movie-microscope to show atomic particles behavior.

“More than a century ago, the development of the earliest motion picture technology made what had been previously thought "magical" a reality: capturing and recreating the movement and dynamism of the world around us. A breakthrough technology based on new concepts has now accomplished a similar feat, but on an atomic scale–by allowing, for the first time, the real-time, real-space visualization of fleeting changes in the structure and shape of matter barely a billionth of a meter in size.

Such "movies" of atomic changes in materials of gold and graphite, obtained using the technique, are featured in a paper appearing in the November 21 issue of the journal Science. (4D microscopy videos can be viewed at http://ust.caltech.edu/movie_gallery/.) A patent on the conceptual framework of this approach was granted to the California Institute of Technology (Caltech) in 2006. “